Workbook Detail
Number Sense Patterns Missing Operator — Set 65
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"operand2": 3,
"result": 6,
"question": "18 __ 3 = 6",
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"operand1": 6,
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"result": 16,
"question": "6 __ 10 = 16",
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"id": 4,
"type": "missing-operator",
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"operand1": 4,
"operand2": 10,
"result": 14,
"question": "4 __ 10 = 14",
"answer": "+",
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"operand1": 20,
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"result": 4,
"question": "20 ○ 5 = 4, what is ○?",
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"id": 6,
"type": "missing-operator",
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"operand1": 5,
"operand2": 3,
"result": 8,
"question": "5 ○ 3 = 8, what is ○?",
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"id": 7,
"type": "missing-operator",
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"operand1": 12,
"operand2": 9,
"result": 3,
"question": "12 ○ 9 = 3, what is ○?",
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"correctAnswer": "-",
"difficulty": "normal"
},
{
"id": 8,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 7,
"result": 49,
"question": "7 ○ 7 = 49, what is ○?",
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{
"id": 9,
"type": "missing-operator",
"subType": "÷",
"operand1": 60,
"operand2": 10,
"result": 6,
"question": "60 ○ 10 = 6, what is ○?",
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"operand1": 7,
"operand2": 9,
"result": 16,
"question": "7 __ 9 = 16",
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{
"id": 11,
"type": "missing-operator",
"subType": "÷",
"operand1": 81,
"operand2": 9,
"result": 9,
"question": "81 ○ 9 = 9, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "normal"
},
{
"id": 12,
"type": "missing-operator",
"subType": "×",
"operand1": 3,
"operand2": 4,
"result": 12,
"question": "3 ○ 4 = 12, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "normal"
},
{
"id": 13,
"type": "missing-operator",
"subType": "÷",
"operand1": 63,
"operand2": 9,
"result": 7,
"question": "63 ○ 9 = 7, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
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"id": 14,
"type": "missing-operator",
"subType": "+",
"operand1": 6,
"operand2": 5,
"result": 11,
"question": "6 __ 5 = 11",
"answer": "+",
"correctAnswer": "+",
"difficulty": "normal"
},
{
"id": 15,
"type": "missing-operator",
"subType": "×",
"operand1": 8,
"operand2": 5,
"result": 40,
"question": "8 ○ 5 = 40, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "normal"
},
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"id": 17,
"type": "missing-operator",
"subType": "-",
"operand1": 15,
"operand2": 10,
"result": 5,
"question": "15 __ 10 = 5",
"answer": "-",
"correctAnswer": "-",
"difficulty": "normal"
},
{
"id": 18,
"type": "missing-operator",
"subType": "-",
"operand1": 14,
"operand2": 8,
"result": 6,
"question": "14 __ 8 = 6",
"answer": "-",
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"difficulty": "normal"
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"id": 19,
"type": "missing-operator",
"subType": "-",
"operand1": 14,
"operand2": 8,
"result": 6,
"question": "14 ○ 8 = 6, what is ○?",
"answer": "-",
"correctAnswer": "-",
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"id": 20,
"type": "missing-operator",
"subType": "×",
"operand1": 4,
"operand2": 10,
"result": 40,
"question": "4 __ 10 = 40",
"answer": "×",
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